Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the zenith of hydraulic innovation by artfully interweaving pressure, flow, and directional control into a unified, harmonious masterpiece. This ensures unparalleled performance and steadfast reliability across every application. Composed of the critical trio of functional modules-connecting blocks, directional valves, and end plates-these valves are skillfully engineered for seamless integration into high-end hydraulic systems, pivotal for elite engineering machinery. They masterfully dictate the direction and velocity of hydraulic cylinders, motors, and other actuators, delivering exceptional precision and control. Key highlights include a sleek, compact structure, superior energy efficiency, and the ability for stepless speed control. Moreover, they empower multiple actuators to operate concurrently under diverse loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for systems utilizing constant displacement pumps, ensuring unwavering and unfaltering operations in every environment. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. Though HLPSV valves may exhibit a slightly slower response time, they excel in delivering extraordinary energy-saving performance, positioning them as the ultimate choice for applications where efficiency is paramount. With their avant-garde engineering and energy-efficient design, HLPSV valves emerge as the leading solution for sophisticated hydraulic control requirements, offering an impeccable synergy of precision, reliability, and efficiency.
| References |
size 2 |
size 3 |
size 5 |
| Number of Directional Valve bank |
1~12 |
1~12 |
1~10 |
| Port access type |
thread connection |
thread connection |
thread connection |
| Flow code |
3,6,10,16,25,40 |
3,6,10,16,25,40,63,80 |
16,25,40,63,80,120,160 |
| Max.flow(L/min) |
54 |
100 |
210 |
| Max.pressure(bar) |
420 |
420 |
420 |
| Control Method |
Pilot circuit pressure(bar) |
20~40 |
20~40 |
20~40 |
| Manual force(N) |
≥2.3Nm |
≥1.3Nm |
≥3Nm |
| Working Pressure(ºC) |
-40~80 |
-40~80 |
-40~80 |
| Weight |
Connection Block (kg) |
1.7 |
4 |
8 |
| Directional Valve bank (kg) |
1.9 |
4 |
8 |
| End Plate (kg) |
0.5 |
1.5 |
2.5 |
| Fix mode |
thread connection M8 |
thread connection M8 |
thread connection M10 |
Installation Instructions
(1) Essential Connection Block Codes
HLPSL: Constant Displacement Pump - A keystone of reliability, this pump guarantees steadfast and consistent performance, paving the way for seamless operations and enhanced efficiency.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, this pump delivers exceptional versatility, perfectly attuned to a wide array of operational requirements.;
(2) Connection Block Ports P & R Specifications - The juncture where precision intertwines with reliability, promising unwavering and dependable operations::
2-G3/8; Expertly engineered for compact efficiency, designed to support seamless and streamlined operational flows with finesse.
3-G1/2; Crafted for robustness and longevity, this connection forms the unyielding backbone of your system.;
4-G3/4; Incorporating cutting-edge connectivity, it ensures superior control and enhanced integration within your system.;
5, 55-G1; Offering unparalleled flow rates, ideally suited for high-demand scenarios, guaranteeing steadfast and reliable performance.;
6-G1 1/4; Delivering exceptional performance, meticulously designed to thrive and conquer challenges in demanding environments.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trustworthy foundation, customized to meet your fundamental operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Guarantees meticulous control, elevating overall system efficiency to new levels.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimizes flow management, driving superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Customizable solutions for varied pressure control needs, offering tailored solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting tailored solutions to seamlessly align with your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximizing efficiency and refining control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activates pump pressurization when powered, and ensures unloading when unpowered; D - Normally closed magnetic ball valve, facilitates unloading when powered, pressurizes when unpowered;D/F - Equipped with a pressure limiting valve for secondary pressure (F50) with a defined pressure value, ensuring advanced safety measures to secure operations efficiently.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This versatile component offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, epitomizing precision and adaptability. For a streamlined approach, /NF signifies no pressure limiting valve, crafted specifically for HLPSV. This feature guarantees optimal pressure control across diverse scenarios, making it essential for your hydraulic solutions.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to suit every application, ensuring that you acquire a product meeting your exact requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, seamlessly designed for integration.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each promising precision and efficiency.
(10) Valve core function symbols: Delve into a vast selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional needs.
(11) Output flow code for ports A & B: Enhance efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly tailored for optimal performance.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring exceptional system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your options: N, without function ON/OFF or pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B, each designed for precise control.
(14) Operation modes: Diverse modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), blending electric proportional control with manual operation; D, electric switching value control; DA(1,2), combined electric switching value control with manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, masterfully crafted for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, precisely engineered for seamless adaptability.
(16) End Plate Options: Discover our tailored end plate selections designed to meet diverse needs. Choose from: E1, the standard version with an external discharge of pilot oil and an external oil return control port T; E2, similar to E1 but enhanced with an additional port Y for more flexibility; E3, featuring a 2-position 3-way magnetic ball valve that elevates system pressure to safety valve levels during power supply, ensuring optimal performance and safety.
E4 offers the sophistication of E1 but with internal discharge of pilot oil, thus sealing port T effortlessly; E5 mirrors E2 with the added benefit of internal discharge, achieving a seamless blend of efficiency and innovation; E6 parallels E3, each variant meticulously crafted to ensure superior discharge control and reliability.
(17) Control Voltage and Anti-Explosion Cable Length Options: Choose the voltage and cable specifications that align with your safety and application needs. Options include G12-12VDC, providing robust safety and compatibility for specialized applications where reliability is paramount.G24: This option provides dependable performance tailored for a variety of uses, ensuring consistent and reliable operation.-: A symbol of flexibility, allowing you to adapt to various configuration scenarios with ease and assurance.24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Select from an array of configurations such as 24VDC for standard use, G24Ex-3m-24VDC and G12Ex-3m-12VDC for enhanced safety in hazardous environments, or G24MA-3m-24VDC for maximum adaptability and assurance.12: A versatile choice ensuring compatibility across a range of systems, designed for efficiency and seamless integration.bb621436: A unique identifier representing our commitment to precision and quality, ensuring traceability and confidence in every component.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our flagship product, the load-sensitive proportional valve, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Question:1. What about the lead time?
Answer:The lead time for production is typically around one month following receipt of payment. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or intended applications with us. We will then tailor a quote specifically for you, based on your needs or through our expert advice. Upon confirming the drawings and placing a deposit, we will finalize the order and commence production. We ensure every specification is adhered to with precision, offering you a seamless and customized solution.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
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